The "Cindy Sheehan Effect" is quickly spreading among the radical right like a morphing virus. The longer they are exposed the nastier they get.
(hat tip Midori for the pic from DU)
It's got Glen Beck's name on the bottom and if that's really his sign I'd say he's another from the long line of bottom feeders that call themselves right wing talk show hosts. Notice it's all the B-list hacks that are revving up the venom.
(Update)-Talk Left has a sign of her own.